100644 blob 4153165ec33e63fbb84e13a7ae687cff4801a29c	part1_test.py
100644 blob 24d623c3cc207b8d91508adaab8be2ba9cd091b4	part2_test.py
100644 blob eb758afe5db996b323d0ac1791d5222147d35c4f	part3_test.py
040000 tree 820e6781b3f5e273920b84f1eb0b6c34f2f8db9d	ref